Authors: Yang, Yen; Hall, Steven C.

Source: Applied Spectroscopy, Volume 42, Issue 1, Pages 1-193 (January 1988) , pp. 72-76(5)

Publisher: Society for Applied Spectroscopy

Abstract:

A rotoreflected beam thermal lens spectrometer incorporating high-frequency modulation and the conventional double-beam concept is reported. The former enables a steady-state thermal lens to be generated, while the latter provides a means to produce a differential response that corrects for the reference absorbance automatically. The feasibility of this approach is demonstrated, and a method for improvement based on high-frequency polarization modulation is also proposed.

Keywords: Photothermal spectroscopy; Thermal lens spectroscopy

Document Type: Research article

DOI: http://dx.doi.org/10.1366/0003702884428617

Affiliations: 1: Department of Chemistry, Loyola University of Chicago, Chicago, Illinois 60626

Publication date: 1988-01-01

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